ERROR_ACCESS_DISABLED_WEBBLADE_TAMPER 0x800704FE

Error code 1278 · HRESULT 0x800704FE

WINDOWS

Windows cannot open this program because the license enforcement system has been tampered with or become corrupted.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_ACCESS_DISABLED_WEBBLADE_TAMPER is a Windows error code (system error 1278, returned as HRESULT 0x800704FE) reported by Windows. Its official message is: “Windows cannot open this program because the license enforcement system has been tampered with or become corrupted.”

How to fix ERROR_ACCESS_DISABLED_WEBBLADE_TAMPER

  1. Run the affected program as administrator (right-click → Run as administrator)
  2. Check permissions on the target resource: Properties → Security → your account
  3. Check Event Viewer → Windows Logs → Security for the matching audit entry

Related errors

ERROR_ACCESS_DISABLED_WEBBLADEERROR_ACCESS_DISABLED_BY_POLICYERROR_ACCESS_DISABLED_NO_SAFER_UI_BY_POLICYERROR_ACCESS_DENIEDERROR_RECOVERY_FAILUREERROR_INVALID_IMPORT_OF_NON_DLLERROR_ALREADY_FIBER

Source: Microsoft WinError.h

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